Home / 219,303,387.20-328,829,109.60-65,926,452.80

Finding the Fourth Proportional to 219,303,387.20, 328,829,109.60 and 65,926,452.80

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Solution

The fourth proportional to 219,303,387.20, 328,829,109.60 and 65,926,452.80 is: 98,851,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,303,387.20 : 328,829,109.60 = 65,926,452.80 : x
  2. Step 2: Convert to fraction form
    219,303,387.20/328,829,109.60 = 65,926,452.80/x
  3. Step 3: Cross multiply
    219,303,387.20x = 328,829,109.60 × 65,926,452.80
  4. Step 4: Simplify right side
    219,303,387.20x = 21,678,536,773,310,428
  5. Step 5: Solve for x
    x = 21,678,536,773,310,428/219,303,387.20
  6. Step 6: Final answer
    x = 98,851,810.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.